import 'package:flutter/material.dart';


void main(List<String> args) {
  runApp(MyApp()) ;
}


//自定义组件

class MyApp extends StatelessWidget {
  const MyApp({Key key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Text(
        "你好flutter 222",
        textDirection: TextDirection.ltr,
        style: TextStyle(
          color:Color.fromRGBO(244,233,121,0.5),
          fontSize: 40.0,
        ),
      ) ,
    );
  }
}





